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Physical Science Pages 199-205 Ms. Cilli December5, 2011 Physical Science Pages 199-205 Ms. Cilli December5, 2011.

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Presentation on theme: "Physical Science Pages 199-205 Ms. Cilli December5, 2011 Physical Science Pages 199-205 Ms. Cilli December5, 2011."— Presentation transcript:

1 Physical Science Pages Ms. Cilli December5, 2011 Physical Science Pages Ms. Cilli December5, 2011

2 What are the five main types of chemical reactions? Review them as we wait

3 Classify chemical reactions as synthesis Decomposition single-replacement double-replacement combustion reactions

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5 Not all reactions are created equal!

6 Chemical Types of Reactions Synthesis Decomposition Single-replacement Double-replacement Combustion Synthesis Decomposition Single-replacement Double-replacement Combustion

7 BOR NOTES V1 Each group will be assigned a type of reaction You will answer the questions When all is done, we will come back to class and a group member will present the notes to the rest of the class

8 BOR NOTES V2 You will answer the questions Each person needs to answer ____ questions Save your work, these are the notes for today

9 A reaction where _________________________________ The reactants may be either ________ or ________ The _______ synthesized is always a ___________

10 A general reaction: Example:

11 Opposite of a _________ reaction A __________ breaks down into _________ The reactant must be a ___________ The products may be _______ or ________

12 A general reaction: Example:

13 A ________________ is a reaction in which _________ takes the ______ of ________ element General equation: Example:

14 Where two _______ compounds exchange ________ and form _____ new compounds General equation: A replaces ___ and C replaces ____

15 Example: Explain what is happening. What is replacing what?

16 A reaction where a _______ reacts rapidly with ___________ _____ and _____ are often produced _______ will always be a carbon-containing compound and oxygen Products will always be ________ and ________

17 General Equation: Example: What are the reactants in the example? Products?

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19 Ger!!! L ose E lectrons O xidized Goes G ain E lectrons R educed Leo

20 On the next slide is four reactions ( you will need to answer one question) Classify them as synthesis, decomposition, single replacement, double replacement, or combustion. Call me in when you are done

21 Pb(NO 3 ) 2 + 2HCl  PbCl 2 + 2HNO 3 Type: ___________ 2C 2 H 6 + 7O 2  4CO 2 + 6H 2 O Type: ___________ Ca + 2HCl  CaCl 2 + H 2 Type: ___________ 2SO 2 + O 2  2SO 3 Type: ___________

22 Pb(NO 3 ) 2 + 2HCl  PbCl 2 + 2HNO 3 Type: Double Replacement 2C 2 H 6 + 7O 2  4CO 2 + 6H 2 O Type: Combustion Ca + 2HCl  CaCl 2 + H 2 Type: Single Replacement 2SO 2 + O 2  2SO 3 Type: Synthesis Pb(NO 3 ) 2 + 2HCl  PbCl 2 + 2HNO 3 Type: Double Replacement 2C 2 H 6 + 7O 2  4CO 2 + 6H 2 O Type: Combustion Ca + 2HCl  CaCl 2 + H 2 Type: Single Replacement 2SO 2 + O 2  2SO 3 Type: Synthesis

23 Which one is not a type of reaction? A.synthesis B.decomposition C.single-replacement D.double-replacement E.All are types of chemical reactions Which one is not a type of reaction? A.synthesis B.decomposition C.single-replacement D.double-replacement E.All are types of chemical reactions

24 Independent Work: – Read pages in Physical Science – Work on the study guide (details in Schoology) Homework: – Section 7.2 HW – Due Tuesday, December 6 th by 8PM


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